I had found some info that someone had sent into a family tree saying that Mari died in 1791 but you can't always go by what you read.
here is some more info that may help.http://worldconnect.rootsweb.ancestry.com/cgi-bin/igm.cgi?op...https://familysearch.org/pal:/MM9.1.1/N7RP-9Y6http://www.mundia.com/no/Person/8962612/-869598360
child of Neils Christian Schaugaardhttp://www.mundia.com/no/Person/5270614/6747399787
Neils Christian Schaugaardhttp://www.mundia.com/no/Person/58179775/40031988436
Mari’s parents Ole & Abigael Krakstad, akershus w/ son birth Jens Olsen 1759http://digitalarkivet.arkivverket.no/en-gb/kb/dp/person/pd00...
Mari Olsen (olsdatter) born Dec 9 1764 died 1791
Source information: Akershus county, Kråkstad, Parish register (official) nr. I 1 (1736-1785), Birth and baptism records 1764, page 40.
Permanent pagelink: http://www.arkivverket.no/URN:kb_read?idx_kildeid=7555&i...
father Ole Jensen and
mother Abigael Aslachsdatter - Mognsrud (Mogensrud